ASTM A194 GR 8TA Nuts, ASTM A194 GR 8TA Heavy Hex Nuts, GR 8TA Nuts & GR 8TA Nut Manufacturer and Supplier in Mumbai, India
Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of ASTM A194 GR 8TA Nuts in Mumbai, India, supplying stainless steel nuts for pressure equipment, piping systems, valves, flanges and industrial fastening assemblies. These nuts are suitable for bolted connections where corrosion resistance, stable performance and reliable clamping are required, particularly in demanding service environments. We supply various sizes, thread configurations and finishes for standard and customized requirements.
ASTM A194 GR 8TA Nuts are manufactured from titanium-stabilized austenitic stainless steel and are intended for applications involving elevated-temperature service. The stabilized composition helps reduce the risk of sensitization associated with carbide precipitation during certain heating conditions, supporting resistance to intergranular corrosion. These characteristics make the nuts suitable for use with compatible stainless steel bolts and studs in pressure and mechanical assemblies.
ASTM A194 GR 8TA Nuts, ASTM A194 GR 8TA Heavy Hex Nuts, GR 8TA Nuts & GR 8TA Nut Bolting Manufacturer and Supplier in Mumbai, India
They are commonly used in refineries, petrochemical plants, chemical-processing equipment, pressure vessels, process piping, valves, flanged connections and industrial equipment where fastening components may encounter heat and corrosive surroundings. Their stainless steel construction provides useful resistance to moisture and corrosion while supporting dependable joint performance.
ASTM A194 GR 8TA Nuts can be supplied in different dimensions, thread forms and surface finishes to suit various installation requirements. They are suitable for fabrication, maintenance, equipment assembly and industrial projects where stabilized stainless steel fastening components are required.
Get the Best Quote for ASTM A194 GR 8TA Nuts. We Stock ASTM A194 GR 8TA Nuts in Various Diameters, Thread Sizes, Specifications and Surface Finishes. Contact Us Today for a Competitive Quote.
ASTM A194 GR 8TA Nuts Specifications
| Material | Austenitic Stainless Steel |
|---|---|
| Grade | ASTM A194 Grade 8TA |
| Standard | ASTM A194 / ASME SA194 |
| Equivalent Grade | Type 321 Stainless Steel / UNS S32100 |
| Product Type | Heavy Hex Nuts, Hex Nuts, Lock Nuts and Custom Nuts |
| Size Range | 1/4″ to 4″ | M6 to M100 | Custom Sizes Available |
| Thread Standard | UNC, UNF, UNEF, Metric and Custom Threads |
| Manufacturing Process | Hot Forged, Cold Forged and Machined |
| Heat Treatment | Solution Annealed |
| Stabilization | Titanium Stabilized |
| Finish | Plain, Passivated, Pickled, Polished and Custom Finishes |
| Corrosion Resistance | Excellent Resistance to General Corrosion, Oxidation and High-Temperature Environments |
| Temperature Service | Suitable for High-Temperature and High-Pressure Bolting Applications |
| Application | Pressure Vessels, Piping Systems, Flanges, Valves, Oil & Gas, Petrochemical, Refineries, Power Generation, Chemical Processing and High-Temperature Industrial Equipment |
Chemical Composition for ASTM A194 GR 8TA Nuts
| Element | ASTM A194 Grade 8TA (%) |
|---|---|
| Carbon (C) | 0.08 max. |
| Manganese (Mn) | 2.00 max. |
| Phosphorus (P) | 0.045 max. |
| Sulfur (S) | 0.030 max. |
| Silicon (Si) | 1.00 max. |
| Chromium (Cr) | 17.00 – 19.00 |
| Nickel (Ni) | 9.00 – 12.00 |
| Titanium (Ti) | 5 × (C + N) min. – 0.70 max. |
| Nitrogen (N) | 0.10 max. |
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Equivalent Grades of ASTM A194 GR 8TA Nuts
| Standard | Equivalent Grade |
|---|---|
| ASTM / UNS (USA) | ASTM A194 Grade 8TA / UNS S32100 |
| JIS (Japan) | SUS 321 |
| WNR (Europe) | 1.4541 |
| EN / DIN (Germany) | X6CrNiTi18-10 / X10CrNiTi18-9 |
| BS (United Kingdom) | 321S31 |
| AFNOR (France) | Z6CNT18-10 |
| Sweden (SS) | 2337 |
| UNI (Italy) | X6CrNiTi18-11 |
| GOST (Russia) | 08KH18N10T |
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